Patent · US Expired

Detection of slider-disk interference using a dynamic parametric test

US6989671B2 · kind B2 · utility

3Cited by
7References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 2003
Grant dateJan 24, 2006
Priority date
Expiry dateJan 14, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2220/20
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method is described for calculating head disk interference (HDI) using a dynamic parametric test. In one embodiment, HDI is calculated based on an actual and ideal sensitivity profile based on a read-back signal track profile for the slider/head.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.